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        <title>Web前端开发技术初步应用</title>
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        <h3>Web前端开发技术</h3>
        <P>HTML</P>
        <p>CSS</p>
        <p>JavaScript</p>
        <h3>网络学习资源</h3>
        <a href = "http://www.w3school.com.cn/html">HTML教程</a>
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